Article ID: 116200, created on May 30, 2013, last review on Dec 22, 2014

Applies to:

Operations Automation 5.4

Operations Automation 5.3

Symptoms

A Parallels Operations Automation (POA) task to create or update an Exchange Public Folder fails with the error message 'Public folder user "" doesn't exist. A valid public folder user should be a mail-enabled user, mailbox, or distribution group.'

Cause

The user mentioned in the error message is not a mail-enabled one, does not exist, or does not have the "legacyExchangeDN" attribute filled in their Active Directory account. Microsoft Exchange requires that a public folder user should be a mail-enabled user, mailbox, or distribution group.

You can check if an Active Directory user has the LegacyExchangeDN attribute filled using adsiedit.msc - right click on the user and select 'Properties':

You can also use the ldifde.exe utility to export Active Directory user properties in a text file and check if the legacyExchangeDN attribute is present: